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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TNETV2664FIBZWT 데이터시트(PDF) 222 Page - Texas Instruments |
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TNETV2664FIBZWT 데이터시트(HTML) 222 Page - Texas Instruments |
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222 / 249 page  TINPxL TOUTxL 1 2 3 4 TMS320C6424 SPRS347D – MARCH 2007 – REVISED DECEMBER 2009 www.ti.com Table 6-71. Timer 2 (Watchdog) Registers HEX ADDRESS RANGE ACRONYM DESCRIPTION 0x01C2 1C00 - Reserved 0x01C2 1C04 EMUMGT_CLKSPD Timer 2 Emulation Management/Clock Speed Register 0x01C2 1C10 TIM12 Timer 2 Counter Register 12 0x01C2 1C14 TIM34 Timer 2 Counter Register 34 0x01C2 1C18 PRD12 Timer 2 Period Register 12 0x01C2 1C1C PRD34 Timer 2 Period Register 34 0x01C2 1C20 TCR Timer 2 Control Register 0x01C2 1C24 TGCR Timer 2 Global Control Register 0x01C2 1C28 WDTCR Timer 2 Watchdog Timer Control Register 0x01C2 1C2C - 0x01C2 1FFF - Reserved 6.17.2 Timer Electrical Data/Timing Table 6-72. Timing Requirements for Timer Input(1) (2) (3) (see Figure 6-43) -7/-6/-5/-4 -L/-Q6/-Q5/-Q4 NO. UNIT MIN MAX TINP0L, if TIMERCTL.TINP0SEL = 0 2P ns [default] 1 tw(TINPH) Pulse duration, TINPxL high TINP0L, if TIMERCTL.TINP0SEL = 1 0.33P ns TINP1L 2P ns TINP0L, if TIMERCTL.TINP0SEL = 0 2P ns [default] 2 tw(TINPL) Pulse duration, TINPxL low TINP0L, if TIMERCTL.TINP0SEL = 1 0.33P ns TINP1L 2P ns (1) P = MXI/CLKIN cycle time in ns. For example, when MXI/CLKIN frequency is 25 MHz, use P = 40 ns. (2) The TIMERCTL.TINP0SEL field in the System Module determines if the TINP0L input directly goes to Timer 0 (TIMERCTL.TINP0SEL=0), or if the TINP0L input is first divided down by 6 before going to Timer 0 (TIMERCTL.TINP0SEL=1). (3) TINP1L input goes directly to Timer 1. Table 6-73. Switching Characteristics Over Recommended Operating Conditions for Timer Output(1) (see Figure 6-43) -7/-6/-5/-4 -L/-Q6/-Q5/-Q4 NO. UNIT MIN MAX 3 tw(TOUTH) Pulse duration, TOUTxL high P ns 4 tw(TOUTL) Pulse duration, TOUTxL low P ns (1) P = MXI/CLKIN cycle time in ns. For example, when MXI/CLKIN frequency is 25 MHz, use P = 40 ns. Figure 6-43. Timer Timing 222 Peripheral Information and Electrical Specifications Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320C6424 |
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